plz answer these questions...those who give answer get the brainliest......hurry up..!!!

39. Microcomputers have a wide range of applications such as in industrial, security, consumer products, telecom, agriculture, transport, commercial, educational, environmental, automotive and medical fields, in addition to others.
40. IBM PC: An IBM PC is especially manufactured as well as sold by the IBM company itself. It could be a Windows or a DOS machine.
IBM Compatible Computer: Also known as IBM clones, or PC clones, IBM compatible computers are almost identical to a computer containing IBM PC architecture. It also uses the same expansion card and very similar software to an IBM PC.
According to the popular American computer magazine called PC Magazine, if a user can plug a disk from an IBM PC into another machine such that it functions adequately, it could be referred to as a PC clone or an IBM compatible computer.
41. On the basis of operations or functioning, computers can be classified into three major types: